Measure pitch from your microphone
Instrument tuner
See the nearest note, frequency, and tuning offset for chromatic or common string instruments.
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Microphone is off
—— Hz−500+50
Listen for a clear noteNeeds microphone access and a clear sustained note. Analysis is live and audio is never recorded.
Three simple steps
How to use instrument tuner
- 1
Choose an instrument mode and reference A4 frequency.
- 2
Start the microphone and play one steady note near the device.
- 3
Use the note, frequency, cents, and needle to tune, then stop the microphone.

